An implementation of discourse representation theory
Covington, Michael A.
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This paper documents a computer program that constructs discourse representation structures (DRSes) from ordinary English input. A source listing of the program is included. This program is a much extended version of the one developed by Johnson and Klein (1986) and was built to serve as a basis for other research. It is implemented in Prolog using GULP, a locally developed system for translating feature-structure notation into Prolog terms. The reader of this paper is expected to be familiar with discourse representation theory, Prolog, and GULP.